‘Metro style’ apps are built for the new Metro touch interface for Windows 8, and will be able to run on any Windows 8 device, whether that’s full function PCs and laptops, or the different kind of Windows 8 slate devices running Intel or ARM chips. If you’re already testing the Windows 8 Release Preview, you’ll know that an Intel-based computer running Windows 8 can run all of your existing Windows software, plus the new Metro style apps.

So here’s some really useful resources to building Windows 8 Metro Style apps:

Migrating a website to a Metro style app – this short article is focused on development and discusses some back-end considerations like communication, streaming, security, client package deployment, data sharing, and syndication